Air Conditioning

HVAC Full Cut-In New Construction

Client hired Largo Green, Inc. (LG) to assess, design, & implement an HVAC solution for his 2-story, new-construction, bayside house. The original house was 1-story; a middle floor & top floor was added later. The challenge was how to get the cool air up to the 4 rooms above. LG designed a very long, vertical, supply plenum, built to extend from the mezzanine-up through the 2nd floor closet to above the top floor. 

17Seer, 5Ton, AC Cut-In

3 New AC Systems

This was 11th project for the same client. Largo Green (LG) replaced 3 entire outdated AC systems. After removing old systems, LG upgraded all to higher SEER Condensers & Coils Both Carrier & Goodman were used. Included pumping down old refrigerant, pulling complete vacuum, extensive copper line work inckuding brazing, fitting, & insulating; electrical work, demolition of old plenums, adding new drain lines, float cutoff switchs, & mastic/tape. 

HVAC Design & Install

Largo Green (LG) called upon this church with 2 large buildings covering approx. 10,000 sf. The side-by-side rectangular buildings were in dire need of upgrades to all 4 HVAC systems. LG assessed the environment, heat loads, ventilation, access points, and proposed viable options.
LG worked with the church Elders and church owner (who had 40 years HVAC experience himself !). LG served as the project manager for the design and installation of 4 Carrier 5-ton, 17 Seer, Puron, electric systems. 2 were vertical and 2 were horizontal configurations. All required fresh-air makeup ductwork. Additional ductwork, registers, reducers, & grilles were added to supplement the trunkline design which wasn't adequately cooling multiple rooms/areas. 

(4) HVAC Installs: 5Ton 17Seer

Duct-Work Upgrade & Replacement for 2 HVAC systems

Client hired Largo Green, Inc. (LG) to solve the imbalanced ductwork. Several rooms were not cooling equally. There were 2 large capacity HVAC systems. The ductwork wasn't designed effectively. LG corrected the CFMs traveling from each system. LG but sub-plenums to better distribute the cooled air.

Duct-Work Upgraded

Blown-In Insulation 6000sf Church Attics

10,000sf Blown-In Insulation Attics

HVAC 4 Systems Installation: 5-ton 17 Seer, Carrier

Largo Green (LG) delivered 4 new 5ton Carrier 17 Seer electric systems to this 10,000sf church. LG assessed the environment, heat loads, ventilation, access points, & proposed viable options. LG served as the project manager for the design and installation of 2 vertical systems, & 2 horizontal.. All required fresh-air makeup ductwork. LG added radiant barrier, insulation, & solar fans. 

4 x HVAC 17Seer 5Ton Installs

Ductwork Repaired & Restored

40-Year old 2-story condo had duct tears at trunkline and  breaches at supply plenum. Largo Green (LG) took immediate action and sourced all needed repair materials (to code. LG added edge strength to existing plenum and attached new duckboard by overlapping foil covering to new HJVAC fabric tape stapled to edges of trunkline. LG added copious spooky to tightly seal the connections at trunklines.

Ductwork Repair & Restore

Church HVAC Systems (2) & Ductwork Upgrades

Church had very old HVAC systems and the cooling was not reaching multiple locations far away from the source of the AC in back of church. Church retained Largo Green, Inc. (LG)  to analyze, design, & implement a solution. 
After several site visits and calculations, LG determined the extra long trunk line in the attic was significantly undersized. Additionally both the HVAC systems feeding those trunklines were under performing.
LG recommended upgrading bot the HVAC systems with higher SEER, gas, up=flow systems. The ductwork & trunklines were redesigned to capture much more air pressure in order to reach the front of the church. New ducts were added as well to distribute the cool air. 

Church HVAC (2) Systems & Ductwork Upgrades

HVAC: Attic Blown-In Insulation

Client had new HVAC but didn't have any attic protection for heat, humidity, or air flow. Largo Green Inc. (LG) was retained to add blown-in insulation to get better HVAC efficiencies. LG used an extension pipe to blow insulation deep into corners and hard-to-reach areas. Up to 16" of insulation was installed.  

2000sf Blown-In Insulation

AC Coil Filthy Cleaned

HVAC Mini-Split Installation

Client retained Largo Green Inc. (LG) to install their previously purchased mini-split HVAC system in their family room addition. LG sourced the needed components: copper line-set, fastening hardware, electrical wires & plates, and copper line-set cover. LG set the condenser outside on the anchored brackets, installed the mounting plate inside, ran the copper line-set and drainage through the brick wall, tested, filled the system with refrigerant, tested again, and cleaned up!

HVAC Ductless Mini-Split Installation

Radiant Barrier 6000sf Church Attics

Client had 2 buildings side by side totaling 10,000sf. Largo Green (LG) designed an attic energy efficiency plan including Radiant Barrier. LG sourced the best products in using HeatBloc-Ultra paint. It's an aluminum colored, water- based, low emissivity (low-e) coating. LG applied it to the entire under-roof and rafters. HeatBloc-Ultra lowers their surface emissivity to 0.19 or lower, blocking over 80% of the radiant heat. Client noticed immediate significant cooling results 

Radiant Barrier 10,000sf Roof

HVAC Cleaning Coil & Blower

Condo went through massive renovation which included extensive cutting of limestone and other hard, dense stone materials. This caused copious dust and debris being absorbed into the components of the HVAC system. Largo Green (LG) removed the blower and thoroughly cleaned the metal fins of the caked on dust and debris. Then LG cleaned the evaporator coil of similar dust & debris. Finally, LG cleaned the metal housing of the HVAC system, The result LG delivered improved airflow and air quality tremendously.  

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